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Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
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-- Alan Watts
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AVR control of islanded systems
New Replies:
Try to check the basics of Real power, apparent power, and reactive power. If the power factor of...
When you're operating as an island, the power factor is what it is. If you try to control power...
Does anyone use CDM for their GTs with DLN?
New Replies:
I was inquiring about a 7EA run as a peaker with DLN1 system. that goes out of emission compliance...
Way too little information provided here.
How do you operate your machine? Base Load? Load...
reason for high and low lube oil temperatures in lube oil header and the measures to control the parameters
New Replies:
You really need to provide more information when you post a question like this for a proper...
Need explanation of Speedtronics partial load control
New Replies:
By definition, Base Load is full load. Anything less (preselected load, manual setting) is partial...
about hunting of generator
New Replies:
Generators aren't allowed to use weapons, therefore they can't hunt.
Seriously, the prime mover...
By ananymous on 6 November, 2009 - 5:38 am -
Among most Problems, Generator Hunting mainly is due to Governor Mal-Fuction. So check your...
MBA project- Gathering information on what aging automation systems are present in plants and the mechanism to dispose of no longer used parts.
what is the range of insulation resistance value expected for 132 KV COPPER POWER CABLE?
New Replies:
By Phil Corso on 5 November, 2009 - 10:04 pm -
Parthipan... the IR range, corrected for 300 mt length, is 40-46 Meg Ohms.
Phil Corso
...
By Phil Corso on 5 November, 2009 - 6:08 pm -
PARTHIPAN... Unfortunately, high-IR values are not an indication of high-dielectric strength, but,...
Thanks for the response Phil,
It is buried under ground from a cable sealing out door gantry...
By Phil Corso on 3 November, 2009 - 10:20 pm -
If you are sure of its age, then please answer the following:
o What is the installation? In...
about temperature control system of mark-iv for frame 6B gas turbine.
Operating the Turbine Generator on Preselected Load
New Replies:
Preselected Load Control is really just a lazy man's way of not having to...
By Walter on 5 November, 2009 - 5:21 am -
Thanks for responding this post.
The question is about the behavior of the generator against big...
What causes the distrubances? Frequency excursions? Fuel supply disruptions? Dirty oil?
...
from the operations department...
GE gas turbines water wash. in DLN gas turbines water wash should be done at base loadIn GE gas turbines DLN system water wash should be done at what load?
New Replies:
By venu on 5 November, 2009 - 3:23 am -
To my knowledge for F class machines no need to reduce the load while doing on line water wash.
...
why the voltage transformers are open delta connected in a GE design
New Replies:
By Phil Corso on 4 November, 2009 - 9:29 am -
Serpil981... the PTs should not be disconnected.
Only the NGR is disconnected for the...
Thanks for your answers the second part of the initial answer was the reply to an old post so don't...
In base load trial on part load.all the parameter is normal during part load except GCV opening is sluggish. now problem is that when base load trial is taken MW hunting start.
Need for an help to choose the best fieldbus in a Generating Power Plant
New Replies:
By James Powell on 3 November, 2009 - 1:19 pm -
Dear Fabrizio,
For comparing FF and PROFIBUS, there is a good white paper on...
use the spare inputs in DTBA or DTBB
New Replies:
I would like to thank you very much and I will write you what is happening to me in the reply may...
You're not 'canceling' any inputs. You will be relocating (moving) them to unused inputs.
For...
We have one unit controlled by two computers and the IDOS— Computer operating system. I found the...
The Mark V Maintenance Manual, GEH-5980, has a section on assigning spare I/O points. It's not...
Speed measuring of a turbine using magnetic pickups. Can we use one magnetic pickup to feed two devices (controller and speed indicator)while both use pickup signal(no 4-20 mA)
from the Electrical operation department...
Difference between overvoltage and over excitation protection given to generatorI am working in CPP with 750 MW power generation capacity. There are 6 gas turbine generators. Generators have both overvoltage and overexcitation protection...
New Replies:
By Parma on 3 November, 2009 - 12:43 am -
We use 61 or 24 as the ANSI number for Over excitation. As such ANSI have kept some numbers free...
Is there a way to call or set variables in the PID_ISA block from cimplicity like the Integral or Proportion ?
New Replies:
Yes, you can access the registers of the PID_ISA from CIMPLICITY to tune the block. You'll need to...
from the Forum department...
What certifications are required for GE 24MW Frame 5 turbine driven generator maintenance work?Is certification done on particular models of generator?
New Replies:
And who was making the inquiry? The corporate lawyer? A vendor trying to sell services? A concerned...
GE part numbers for MarkVIe control system
New Replies:
GE, being the capitalist institution they are, provide a Recommended Spare Parts List for every...
abb 800xA Communication problems
New Replies:
By PChandra on 1 November, 2009 - 9:13 am -
Hi,
i Have gone thr such a situation more than 10 times. but your problem is not clear to me.
u...
By Mohanad Babekir on 31 October, 2009 - 8:24 am -
Hi guys;
We running power plant with 800xA system, the plant consist of 6 engines, the problem 2...
Load sharing of 2x10MW Steam turbines
Generator syncing issues, MVAR spike, voltage mismatch at sync
New Replies:
I apologize for occupying everyone's time on this issue, and I appreciate all information and...
What are the probable causes of a high compressor inlet pressure.
New Replies:
The positive calibration setting was the confusing issue as we have poor documentation and...
Jack, it is my thought that these switches are installed to measure inlet differential pressure...
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